<template>
  <div>
    <!--面包屑导航区-->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!--卡片视图区域-->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <!--搜索与添加区域-->
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddPage">添加商品</el-button>
        </el-col>
      </el-row>

      <!--table表格区域-->
      <el-table :data="goodsList" border stripe>
        <el-table-column type="index" label="序号"></el-table-column>
        <el-table-column label="商品名称" prop="name"></el-table-column>
        <el-table-column label="商品价格(元)" prop="price" width="95px"></el-table-column>
        <el-table-column label="商品重量" prop="weight" width="70px"></el-table-column>
        <el-table-column label="创建时间" prop="addtime" width="140px">
          <template slot-scope="scope">
            {{scope.row.addtime | dateFormat}}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
          <template v-slot="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="editGoods(scope.row.id)"></el-button>
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.id)"></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!--分页区域-->
      <el-pagination @size-change="handleSizeChange"
                     @current-change="handleCurrentChange"
                     :current-page="queryInfo.pagenum"
                     :page-sizes="[5, 10, 15, 20]"
                     :page-size="queryInfo.pagesize"
                     layout="total, sizes, prev, pager, next, jumper"
                     :total="total" background>
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
  export default {
    data() {
      return {
        queryInfo: {
          query: '',
          pagenum: 1,
          pagesize: 10
        },
        // 商品列表
        goodsList: [],
        // 总数据条数
        total: 0
      }
    },
    created() {
      this.getGoodsList()
    },
    methods: {
      // 根据分页获取对应的商品列表
      async getGoodsList() {
        const { data: res } = await this.$http.get('GetGoodsList', { params: this.queryInfo })
        if (!res.state) {
          return this.$message.error(res.text)
        }
        this.$message.success(res.text)
        this.goodsList = res.data.data
        this.total = res.data.total
        console.log(this.goodsList)
      },
      handleSizeChange(newSize) {
        this.queryInfo.pagesize = newSize
        this.getGoodsList()
      },
      handleCurrentChange(newPage) {
        this.queryInfo.pagenum = newPage
        this.getGoodsList()
      },
      // 删除商品
      async removeById(id) {
        await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(async () => {
          const { data: res } = await this.$http.post('DeleteGoods', { id })
          if (!res.state) {
            return this.$message.error(res.text)
          }
          this.$message.success(res.text)
          this.getGoodsList()
        }).catch(() => {
          this.$message({
            type: 'info',
            message: '已取消删除'
          })
        })
      },
      // 跳转到添加商品页面
      goAddPage() {
        this.$router.push('/goods/add')
      },
      editGoods(id) {
        window.sessionStorage.setItem('goodsId', id)
        this.$router.push('/goods/edit')
      }
    }
  }
</script>

<style lang="less" scoped>
</style>
